﻿#!/usr/bin/pyton


from PyQt4.QtCore    import *

class SinClass(QObject):
    sin1 = pyqtSignal(int)
    
    def __init__(self):
        super(SinClass,self).__init__()
        self.sin1.connect(self.sin1Call)
        self.sin1.emit(12)
    def sin1Call(self, i):
        print i
a = SinClass()
    